The Group Office for Petra Diamonds is listed on their Web site as Elizabeth House
9 Castle Street, St Helier, Jersey, JE4 2QP.
The location of the Cullinan Diamond Mine is in Gauteng Province, South Africa.
Where panna diamonds mines are located?
Madhya pradesh
First diamond, Cullinan I was called The First star of Africa/ Great star of Africa. You can review the link, below, and learn more about all the finished diamonds cut from the Cullinan.
Their extraordinary size! Large diamonds are extremely, especially high quality large diamond, and therefore highly valuable. The Cullinan diamond is the largest rough diamond ever found. Uncut, it weighed 3,106.85 carats. It was cut into multiple diamonds, the largest of which is 530.3 carats, called the Cullinan I. The Hope Diamond is45.55 carat , and is especially regarded for its gray-blue color.
The heaviest diamond in the world is the Cullinan diamond, which weighed 3,106 carats (around 1.37 pounds) in its rough form before being cut into multiple diamonds. The largest cut diamond from the Cullinan diamond, the Cullinan I or Great Star of Africa, weighs 530.2 carats.
Some famous diamonds include the Hope Diamond, the Koh-i-Noor Diamond, the Cullinan Diamond, and the Regent Diamond. Each of these diamonds is notable for its size, color, clarity, and historical significance.
The Cullinan diamond was found in Africa in 1905. It was cut into several individual stones, the largest of which were named by appending Roman Numerals after Cullinan. You can read more about these diamonds, below.
There are two records for that: Centenary Diamond - world's largest colorless, flawless diamond and The Golden Jubilee Diamond - World's largest faceted diamond. These two are among the largest polished (finished) diamonds. The Cullinan diamond is the largest rough gem-quality ever found, at 3,106.75 carats.
The Cullinan Diamond, set in the Sovereign's Sceptre, weighs approximately 530.2 carats. It is one of the largest clear diamonds in the world and was cut from the original Cullinan Diamond, which weighed an astonishing 3,106 carats before it was cut. The diamond is known for its exceptional clarity and color, making it a centerpiece of British royal regalia.
Both are large stones:The Hope Diamond is blue-ish in its colour; andThe Cullinan for its size as a raw stone, more than 3,000 carats.
The Cullinan diamond is the largest rough gem-quality diamond ever found, at 3,106.75 carats (621.35 g). From it, several large diamonds were cut.
Some of the largest diamonds have been found in South Africa, particularly in the Premier Mine (now Cullinan Mine). Other notable diamond-producing countries include Botswana, Russia, and Canada. The "Cullinan Diamond," one of the largest gem-quality diamonds ever discovered, was found in South Africa in 1905.
Mother Nature made the Cullinan diamond, which was discovered by a human in 1905.
Thomas Cullinan - diamond magnate - died in 1936.